Home / 7,152.68-10,725.51-2,991.44

Finding the Fourth Proportional to 7,152.68, 10,725.51 and 2,991.44

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Solution

The fourth proportional to 7,152.68, 10,725.51 and 2,991.44 is: 4,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.68 : 10,725.51 = 2,991.44 : x
  2. Step 2: Convert to fraction form
    7,152.68/10,725.51 = 2,991.44/x
  3. Step 3: Cross multiply
    7,152.68x = 10,725.51 × 2,991.44
  4. Step 4: Simplify right side
    7,152.68x = 32,084,719.63
  5. Step 5: Solve for x
    x = 32,084,719.63/7,152.68
  6. Step 6: Final answer
    x = 4,485.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.